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System Cleanup

All-in-One Cleaner

• CCleaner – Phone Cleaner (4.5@2,544,796) Ǥ 34 10 Datenschutz-Test 8/2020:
• Norton Clean, Junk Removal (4.5@222,703) 18 2
• Clean History - Optimize (4.4@127,401) 8 6 LastUpdate: 2020-12-24
• 1Tap Cleaner (clear cache) (4.4@85,970) Ǥ 16 3 / 1Tap Cleaner Pro (clear cache) (4.7@6,733; ~EUR 3.25) Ǥ 13 1
• Droid Optimizer (4.2@61,755) Ǥ 25 2
• Clean Droid - 1 Tap Clear Cach (4.1@25,994) Ǥ 22 4
• Cleaner (4.1@20,169) 7 1 LastUpdate: 2017-11-14
• WashAndGo Mobile Cleaner (4@1,421) Ǥ 10 4 LastUpdate: 2020-04-07 Vorstellung 4/2016
• History Eraser - Privacy Clean (3.9@210,650) Ǥ 12 12 LastUpdate: 2020-03-11 / History Eraser Pro - Clean up (4@5,191) Ǥ 19 3
• Glary Utilities (3.8@9,509) 32 LastUpdate: 2020-02-18
• Th3app - History Cleaner and B (3.8@32) 6 1 LastUpdate: 2020-03-09
• Assistant for Android (3.7@306,356) 21 2 / Assistant Pro for Android (3.6@10,292; ~EUR 2.75) Ǥ 28 incl. system info, process info, power saver

History Cleaner

This is more about privacy than freeing up space.

Cache Cleaner

Here the focus is to reclaim space. Note: if you are on Android 6.0 or newer, you don't need an extra app to clean caches. Go to Settings › Storage & USB › Internal storage and click on Cached data in order to clear all the cache.

• Clean Cache (4.4@11,985) Ǥ 11 1 LastUpdate: 2018-01-12
• App Cache Cleaner (4.3@210,231) 7 10 LastUpdate: 2018-12-11
• Cache Cleaner Pro (4.2@3,917) 6 3
• SLW Cache Cleaner Widget (4.2@2,125) 2 LastUpdate: 2013-01-04
• Cache Cleaner (3.8@5,859) 5 LastUpdate: 2017-04-04 Github
• Smart Cleaner (2.5@1,266) Ǥ 8 3 LastUpdate: 2019-04-05
• Cache Cleaner (0@0) 2 Github

Other System Cleaner

• Simple Cleanup (5@1) 2 LastUpdate: 2019-06-14 Github
• AVG Cleaner – Storage Cleaner (4.6@1,624,155) Ǥ 34 11 Vorstellung 9/2015; no idea what for it needs change network, access accounts, send SMS … is that where the cleaned data go to?
• Avast Cleanup – Phone Cleaner (4.6@1,216,193) Ǥ 40 11 According to the permissions, it also cleans the insides of your network cables, your kitchen, and a few other things… and posts its findings on Facebook. Or something like that…
• SystemCleanup (4.3@3,694) 3 LastUpdate: 2017-06-14
• LTE Cleaner (4.2@799) 8 3 Github
• Empty Files & Folders Cleaner PRO (3.4@416; ~EUR 2.25) Ǥ 3 LastUpdate: 2020-12-25 Video Intro 8/2019
• SD Maid 2/SE - System Cleaner (0@0) 15 1 / SD Maid - System Cleaning Tool (4.2@282,932) Ǥ 23 1 / SD Maid Pro - Unlocker (4.2@32,422; ~EUR 4.00) Ǥ 1 Github / Review 3/2017; Video Review 6/2017; Wiki; Github; root required to unleash full potential